#!/bin/sh

# Slackware build script for qemu

# Copyright 2009, 2010  Andrew Brouwers <abrouwers@gmail.com>
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Modified by the SlackBuilds.org project

PRGNAM=qemu
VERSION=${VERSION:-1.0.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

# To get the stable-1.0 patches, do this in git checkout of qemu:
# git format-patch v1.0.1..origin/stable-1.0
#for i in $CWD/patches/*.patch ; do patch -p1 < $i ; done

# Disable debug (hardcoded) and remove double CFLAGS
sed -i "s|^CFLAGS=\"-g\ |CFLAGS=\"|" configure
sed -i "s|^LDFLAGS=\"-g\ |LDFLAGS=\"|" configure
sed -i "s|^\ \ CFLAGS=\"-O2\ |  CFLAGS=\"|" configure

# check if spice support is enabled
if pkg-config --exists spice-server ; then
  with_spice="--enable-spice"
else
  with_spice="--disable-spice"
fi

# --libdir isn't recognized and isn't needed anyway
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --enable-system \
  --sysconfdir=/etc \
  --audio-drv-list=alsa,oss,sdl,esd \
  $with_spice

make OS_CFLAGS="$SLKCFLAGS"
make install DESTDIR=$PKG

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# move any generated man pages to their proper location
if [ -d $PKG/usr/share/man ]; then
  mv $PKG/usr/share/man $PKG/usr
  gzip -9 $PKG/usr/man/man?/*.?
fi

# Add docs, and if present, built documentation to the proper location
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a TODO README LICENSE COPYING COPYING.LIB MAINTAINERS \
  $PKG/usr/doc/$PRGNAM-$VERSION
if [ -d $PKG/usr/share/doc ]; then
  mv $PKG/usr/share/doc/qemu/* $PKG/usr/doc/$PRGNAM-$VERSION/
  rm -rf $PKG/usr/share/doc
fi

cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
